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Research article
Synovial histopathology of psoriatic arthritis, both oligo- and polyarticular, resembles spondyloarthropathy more than it does rheumatoid arthritis
Elli Kruithof*, Dominique Baeten, Leen De Rycke, Bernard Vandooren, Dirk Foell, Johannes Roth, Juan D Cañete, Annemieke M Boots, Eric M Veys and Filip De Keyser